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Study on preparation and mechanical properties of magnesium phosphate cement

机译：磷酸镁水泥的制备和力学性能研究

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摘要

The orthogonal experiment method is utilized in this paper to get a comprehensive analysis of the compressive strength of magnesium phosphate cement (MPC) to prepare the cement with the best performance. What's more, a further study is conducted on the compressive strength of paste and the compressive strength and the flexural strength of mortar, and the last is the adhesive properties. The results showed that the optimal ratio was obtained; the setting time of the optimum mix ratio of cement is 13min, which meets the requirements of rapid repair; the development of the strength of the paste and mortar all have the characteristics of early strength and fast hardening. Generally, the strength at 7d can reach the 90% of the strength at 28d, and the compressive strength of the paste at 28d can reach to 79.8MPa. The compressive strength and flexural strength of mortar at 28d are 53.2MPa and 11.3MPa, respectively.
机译：本文利用正交实验方法，以综合分析磷酸镁水泥（MPC）的抗压强度，以使水泥具有最佳性能。 更重要的是，进一步的研究是对浆料的抗压强度和迫击力的抗压强度以及砂浆的抗弯强度，并且最后是粘合性能。 结果表明获得了最佳比率; 水泥最佳混合比的设定时间为13分钟，符合快速修复的要求; 糊状和砂浆的强度的发展都具有早期强度和快速硬化的特点。 通常，7D的强度可以在28d处达到强度的90％，并且28d糊的糊状强度可以达到79.8MPa。 砂浆在28D时的抗压强度和抗弯强度分别为53.2MPa和11.3MPa。

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